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AssertionError: Adding a field of length 0 to a Instances of length 2 #22

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longlizhi opened this issue Aug 6, 2022 · 2 comments
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@longlizhi
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Hi, I am getting the following error when running this coarse partition network with train2017 dataset

ERROR [08/05 15:18:06 d2.engine.train_loop]: Exception during training:
Traceback (most recent call last):
File "/home/hndx/detectron2-main/detectron2/engine/train_loop.py", line 149, in train
self.run_step()
File "/home/hndx/detectron2-main/detectron2/engine/defaults.py", line 494, in run_step
self._trainer.run_step()
File "/home/hndx/detectron2-main/detectron2/engine/train_loop.py", line 268, in run_step
data = next(self._data_loader_iter)
File "/home/hndx/detectron2-main/detectron2/data/common.py", line 234, in iter
for d in self.dataset:
File "/home/hndx/anaconda3/envs/llz0/lib/python3.7/site-packages/torch/utils/data/dataloader.py", line 521, in next
data = self._next_data()
File "/home/hndx/anaconda3/envs/llz0/lib/python3.7/site-packages/torch/utils/data/dataloader.py", line 1203, in _next_data
return self._process_data(data)
File "/home/hndx/anaconda3/envs/llz0/lib/python3.7/site-packages/torch/utils/data/dataloader.py", line 1229, in _process_data
data.reraise()
File "/home/hndx/anaconda3/envs/llz0/lib/python3.7/site-packages/torch/_utils.py", line 434, in reraise
raise exception
AssertionError: Caught AssertionError in DataLoader worker process 0.
Original Traceback (most recent call last):
File "/home/hndx/anaconda3/envs/llz0/lib/python3.7/site-packages/torch/utils/data/_utils/worker.py", line 287, in _worker_loop
data = fetcher.fetch(index)
File "/home/hndx/anaconda3/envs/llz0/lib/python3.7/site-packages/torch/utils/data/_utils/fetch.py", line 32, in fetch
data.append(next(self.dataset_iter))
File "/home/hndx/detectron2-main/detectron2/data/common.py", line 201, in iter
yield self.dataset[idx]
File "/home/hndx/detectron2-main/detectron2/data/common.py", line 90, in getitem
data = self._map_func(self._dataset[cur_idx])
File "/home/hndx/detectron2-main/detectron2/utils/serialize.py", line 26, in call
return self._obj(*args, **kwargs)
File "/home/hndx/detectron2-main/detectron2/projects/EntitySeg/entityseg/data/dataset_mapper.py", line 197, in call
instances.instanceid = instance_id_list
File "/home/hndx/detectron2-main/detectron2/structures/instances.py", line 66, in setattr
self.set(name, val)
File "/home/hndx/detectron2-main/detectron2/structures/instances.py", line 84, in set
), "Adding a field of length {} to a Instances of length {}".format(data_len, len(self)) ##lizhi long

@qqlu
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qqlu commented Aug 11, 2022

I am a little confused by the problem. I think it is better to communicate by wechat. Could you send your WeChat to my email ([email protected])

@longlizhi
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longlizhi commented Aug 11, 2022 via email

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